(19)

(11)

EP 0 224 565 A1

(12)

(43) Date of publication: 10.06.1987 Bulletin 1987/24 (21) Application number: 86903866.0 (22) Date of filing: 20.05.1986

(51) International Patent Classification (IPC):  B08B 9/ 02( . ) (86) International application number: PCT/US1986/001105 (87) International publication number: WO 1986/006986 (04.12.1986 Gazette 1986/26)

(84) Designated Contracting States: BE DE FR GB IT NL (30) Priority: 20.05.1985 US 19850735976 (71) Applicant: MATHESON GAS PRODUCTS, INC. Secaucus, NJ 07096 (US)	(72) Inventor: OKLADEK, Joseph, J. Montclair, NJ 07042 (US)